One of the fortifying agents Vitamin B2 is an orange powder. Vitamin B2, Riboflavin, when mixed in water is yellow.

Instructions:Weigh 200 grams of Biolac Blue and mix into a paste. Add warm water and make up to 1 litre. For best results disperse with a mechanical mixer. Feed 10-15% bodyweight per day over 5 feeds. Refrigerate any remainder and shake before subsequent feeds.